How Many Counties Are in Pennsylvania (With full list)

How many counties are in Pennsylvania? The state of Pennsylvania has a total of 67 counties. The oldest of them all is Bucks County, PA (founded in 1682) while the newest is Lackawant to County, PA (established in 1878). Philadelphia County, PA is the most populous with 1,526,006 people. Lycoming County, PA (3,222 km2) is…